. >>> and linebacker jerry brown, a dallas cowboy, a member of the team's practice squad was pronounced dead at the hospital. he was riding in a car driven by josh brent, the starting nose tackle. brent has been arrested on suspicion of intoxication manslaughter. police say the player's mercedes was traveling at high speed when it hit a curb, flipped and caught fire. >>> and same-sex couples getting their day in court. today, the supreme court decided to hear cases regarding federal laws, one regarding the defense of marriage act, or doma, involving couples legally married in their own state. the other is a challenge to california's prop 8, which took away the rates of same-sex marriage that had been previously approved by state courts. >>> the top story this hour, a man considered the leader of a terrorist network, now in custody in egypt. this is why we're paying attention to this man. u.s. officials believe his group had something to do with the attack in libya that killed the american ambassador and three other u.s. citizens. our national correspondent, susan candiotti is live for u